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Command: ulpt | Section: 4 | Source: NetBSD | File: ulpt.4
ULPT(4) FreeBSD Kernel Interfaces Manual ULPT(4)
NAME
ulpt - USB printer support
SYNOPSIS
ulpt* at uhub?
DESCRIPTION
The ulpt driver provides support for Universal Serial Bus (USB) printers
that follow either the USB printer uni-directional or bi-directional
protocol.
Additional bits OR-ed in the minor device number with the unit number
select various features of the driver:
Minor Bit Function
0x40 Do not initialize (reset) the device on the port.
Some printers cannot handle the reset on open; in case of problems try
the ulpn device.
FILES
/dev/ulpt? USB printer with reset on open
/dev/ulpn? USB printer without reset on open
SEE ALSO
lpt(4), usb(4)
USB Device Class Definition for Printing Devices, USB Implementors Forum,
http://www.usb.org/developers/devclass_docs/usbprint11.pdf, January 2000.
HISTORY
The ulpt driver appeared in NetBSD 1.4.
FreeBSD 14.1-RELEASE-p8 May 16, 2009 FreeBSD 14.1-RELEASE-p8